Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
07/08/2024, 14:05
General
- Target SC0782024CI3T6.exe
- Size 1000KB
- Sample240807-rdvh3asgnc
- SHA256 b67bba8abf068ba6eca341fa378cc143e824fe924409447c1b69750f2c21abc6
Malware Config
Extracted
-
remcos
-
RemoteHost
-
dave7754.duckdns.org:6908
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
vmn-FGUTXY
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SC0782024CI3T6.exe"C:\Users\Admin\AppData\Local\Temp\SC0782024CI3T6.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SC0782024CI3T6.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uxlByx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uxlByx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7CB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\SC0782024CI3T6.exe"C:\Users\Admin\AppData\Local\Temp\SC0782024CI3T6.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\SC0782024CI3T6.exe"C:\Users\Admin\AppData\Local\Temp\SC0782024CI3T6.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_fkm4ebwc.n4z.ps1
tmp7CB.tmp
memory/4312-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-129-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-130-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-137-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-138-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4312-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4352-17-0x0000000005360000-0x0000000005988000-memory.dmp
memory/4352-86-0x000000006F860000-0x000000006F8AC000-memory.dmp
memory/4352-103-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4352-20-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4352-19-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4352-18-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4352-15-0x0000000004CF0000-0x0000000004D26000-memory.dmp
memory/4856-21-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4856-85-0x0000000007A00000-0x0000000007A1A000-memory.dmp
memory/4856-52-0x00000000063A0000-0x00000000063BE000-memory.dmp
memory/4856-23-0x00000000054E0000-0x0000000005546000-memory.dmp
memory/4856-41-0x0000000005DB0000-0x0000000006104000-memory.dmp
memory/4856-60-0x0000000006960000-0x0000000006992000-memory.dmp
memory/4856-71-0x0000000007560000-0x000000000757E000-memory.dmp
memory/4856-72-0x0000000007580000-0x0000000007623000-memory.dmp
memory/4856-61-0x000000006F860000-0x000000006F8AC000-memory.dmp
memory/4856-74-0x00000000076C0000-0x00000000076DA000-memory.dmp
memory/4856-73-0x0000000007D00000-0x000000000837A000-memory.dmp
memory/4856-75-0x0000000007730000-0x000000000773A000-memory.dmp
memory/4856-76-0x0000000007940000-0x00000000079D6000-memory.dmp
memory/4856-77-0x00000000078C0000-0x00000000078D1000-memory.dmp
memory/4856-47-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4856-25-0x0000000005600000-0x0000000005666000-memory.dmp
memory/4856-22-0x00000000052C0000-0x00000000052E2000-memory.dmp
memory/4856-83-0x00000000078F0000-0x00000000078FE000-memory.dmp
memory/4856-84-0x0000000007900000-0x0000000007914000-memory.dmp
memory/4856-53-0x0000000006700000-0x000000000674C000-memory.dmp
memory/4856-96-0x00000000079E0000-0x00000000079E8000-memory.dmp
memory/4856-26-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4856-99-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4904-8-0x0000000006AB0000-0x0000000006ABE000-memory.dmp
memory/4904-2-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/4904-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp
memory/4904-16-0x0000000074E7E000-0x0000000074E7F000-memory.dmp
memory/4904-10-0x000000000A950000-0x000000000AA10000-memory.dmp
memory/4904-9-0x0000000006AC0000-0x0000000006AD6000-memory.dmp
memory/4904-6-0x0000000005950000-0x00000000059EC000-memory.dmp
memory/4904-42-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4904-51-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4904-5-0x0000000074E70000-0x0000000075620000-memory.dmp
memory/4904-4-0x0000000005850000-0x000000000585A000-memory.dmp
memory/4904-3-0x00000000056A0000-0x0000000005732000-memory.dmp
memory/4904-7-0x0000000008340000-0x000000000835A000-memory.dmp
memory/4904-1-0x0000000000CF0000-0x0000000000DF0000-memory.dmp